Flying
Morph (You may cast this face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Aven Liberator is turned face up, target creature you control gains protection from the color of your choice until end of turn.

Target player puts the top three cards of his or her library into his or her graveyard.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)